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secondary 4 | E Maths
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jayden
Jayden

secondary 4 chevron_right E Maths chevron_right Singapore

I don’t know how to calculate standard deviation for this type of qn please help thanks

Date Posted: 2 weeks ago
Views: 26

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Use a calculator
For fx-97SG X
Press the following buttons:
Menu
Option 3
Option 1
Fill in the x column with all values
Hit OPTN
Option 3
On the fifth row is your std dev

For working out by hand use
Formula
Subtract the square of the average of the numbers from the average of the square of the numbers. Then take the results' square root. ( refer to formula sheet)
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LIMYONGDA
Limyongda's answer
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